1. Research Report NIFS-Tech Series;H Bolt,1990
2. R Jaspers, Relativistic runaway electrons in tokamak plasmas thesis work submitted in Feb. 1995 at FOM Institute, Netherlands
3. D A Spong, J F Clarke, J A Rome and T Kammash, Nucl. Fusion 14, 397 (1974)
4. H Dreicer, Phys. Rev. 115, 238 (1959); Phys. Rev. 117, 329 (1960)
5. A V Gurevich, Sov. Phys.—JETP 12, 904 (1961)